我知道有更好的方法來做我正在做的事情,但我真的很困惑為什么 for 回圈根本沒有運行。
function intArray(x) {
let a = x.toString();
let b = a.split("");
return b;
}
function digitalRoot(n) {
var b = intArray(n);
console.log(b);
let d = 0;
for (var i = 0; i > b.length; i ) {
d = parseInt(b[i]);
console.log("for loop doing anything?");
}
return d;
}
// Desired output (for now):28
let testNumber = 73279;
console.log(digitalRoot(testNumber));
uj5u.com熱心網友回復:
你的回圈條件是錯誤的。它應該是“小于”而不是“大于”,因為您從零開始到陣列的長度
function intArray(x) {
let a = x.toString();
let b = a.split("");
return b;
}
function digitalRoot(n) {
var b = intArray(n);
console.log(b);
let d = 0;
for (var i = 0; i < b.length; i ) { // <- HERE
d = parseInt(b[i]);
console.log("for loop doing anything?");
}
return d;
}
// Desired output (for now):28
let testNumber = 73279;
console.log(digitalRoot(testNumber));
uj5u.com熱心網友回復:
function intArray(x) {
return x.toString().split("");
}
function digitalRoot(n) {
var b = intArray(n);
let d = 0;
for (var i = 0; i < b.length; i ) {
d = parseInt(b[i]);
}
return d;
}
// Desired output (for now):28
let testNumber = 73279;
console.log(digitalRoot(testNumber));
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